64.—(1) The chief executive shall perform his or her functions subject to such policies as may be determined from time to time by the Board and shall be answerable to the Board for the efficient and effective management of the Board and for the due performance of his or her functions.

(2) The chief executive may, with the consent of the Board, delegate any of his or her functions to a member of staff of the Board (other than functions that have been delegated to the chief executive subject to a condition that they are not to be sub-delegated), and the member of staff shall be accountable to the chief executive for the performance of the functions so delegated.

(3) Notwithstanding subsection (2), the chief executive shall at all times remain accountable to the Board for the performance of functions delegated by him or her.

(4) In the absence of the chief executive, or where that post is vacant, the Board may designate a member of its staff to perform functions of the chief executive.